Instructions for setting up a network test server no longer work

Attempting to follow the instructions for creating a network test server does not work. The script terminates with the following errors:

root@qt-test-server:_{# /varoot@qt-test-server:}# /var/qtqa/sysadmin/puppet/sync_and_run.pl
Use of uninitialized value in numeric ge (>=) at /var/qtqa/sysadmin/puppet/sync_and_run.pl line 374.
Use of uninitialized value in numeric ge (>=) at /var/qtqa/sysadmin/puppet/sync_and_run.pl line 374.
undefined method `downcase' for ["network_test_server", nil]:Array on node qt-test-server.qt-test-net